<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .box{
            /* 只针对英文，让小写字母变大写，但是保持原有高度，建议直接看效果 */
            font-variant: small-caps;
        }
    </style>
</head>
<body>
    <div class="box">My Name is Junjie</div>
</body>
</html>